Model# VGH

Var/VarHour Transducer

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Detailed Model Specs

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Voltage: See tables in datasheet
Current: See tables in datasheet
Frequency Range: GH 58-62Hz VGH 60Hz
Optional 50Hz: GH 48-52Hz VGH 50Hz
Power Factor: Any
Voltage: 0.1VA/phase
Current: 0.28VA/phase
Voltage (cont.):
150V Range: 175V
300V Range: 350V
600V Range: 600V
Current (cont.):5A Range: 2 X F.S.
10A Range: 2 X F.S.
20A Range: F.S.
Transient: All Ranges
50A: 10 sec./hr.
250A: 1 sec./hr.

Dielectric Test….(Input/Output/Case): 1800Vac (RMS)

Surge: Withstands IEEE SWC test


VGH: + = Lagging/ – = Leading
ACCURACY: ± 0.2% Rdg. ±0.05% F.S.
Includes combined effects of voltage, current, load and power factor
Relay: Form A (SPST, N.O.): 120Vac, 0.5A
Contact closure duration: 200 milliseconds
Option T: Pulse: 5V TTL Compatible Pulse
Pulse duration: 200 milliseconds
Option H: Form C (SPDT): 120Vac, 0.1A
Contact closure duration: 200 milliseconds
Option K: Form C (KYZ): 120Vac, 0.1A
Contact closure duration: 50% duty cycle
Analog Output Ripple: < 0.5% F.S.
Output Loading (O)
±1mAdc: 0-10K
±10Vdc: 2K min.
4-20mAdc : 0-500
Response Time (99%): <400 milliseconds
Field Adjustable Cal: ±2% min.
Temperature Effect (-20°C to +60°C): +0.005%/°C
Operating Humidity: 0-95% non-condensing
Instrument Power (std.): 115Vac, ±15%, 50/60Hz, 7.5VA,
“-22” Option: 230Vac, ±15%, 50/60Hz, 7.5VA,

  • Integration into energy management systems, or a variety of sub-metering applications.
  • Measurement using direct-connection, potential and/or current transformers.
  • Accurate regardless of variations in voltage,current, power factor, or load.
  • Available with 1, 2, 2 1/2, or 3 element configurations. Bi-directional Watt and Watthour outputs available. (GH) Bi-directional Var and Var Hour outputs available. (VGH)
  • Accuracy maintained over wide temperature range, calibration traceable to NIST.